4-Slot M-LOK Aluminum U.M.P. Picatinny Rail

Use your Picatinny accessories on your M-LOK handgaurds with this conversion system. Each takes up one M-LOK slot. Stackable design allows you add multiple of these side by side to create a continuous picatinny rail.

The outside is a Picatinny rail. The inside is the mounting system to the M-LOK handguard.